<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">
        {{ $t('X_in_1_automatic_detection_equipment') }}
      </h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" :placeholder="$t('accountNumber')" />
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          :placeholder="$t('passWord')"
          @keyup.enter.native="handleLogin"
        />
      </el-form-item>
      <el-form-item v-if="captchaOnOff" prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          :placeholder="$t('code')"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        />
        <div class="login-code">
          <img :src="codeUrl" class="login-code-img" @click="getCode">
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">{{ $t('rememberPassword')
      }}</el-checkbox>
      <el-form-item style="width: 100%">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width: 100%"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">{{ $t('login') }}</span>
          <span v-else>{{ $t('loggingIn') }}...</span>
        </el-button>
        <div v-if="register" style="float: right">
          <router-link class="link-type" :to="'/register'">
            {{ $t('Register_Now') }}
          </router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2021 shutong.vip All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg, login } from '@/api/login'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'
import { setToken, removeToken } from '@/utils/auth'
import aes from '@/utils/aes'
export default {
  name: 'Login',
  data() {
    return {
      codeUrl: '',
      cookiePassword: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        code: '',
        uuid: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: this.$t('Please_enter_your_account') }
        ],
        password: [
          { required: true, trigger: 'blur', message: this.$t('Please_enter_your_password') }
        ],
        code: [{ required: true, trigger: 'change', message: this.$t('Please_enter_the_verification code') }]
      },
      loading: false,
      // 验证码开关
      captchaOnOff: false,
      // 注册开关
      register: false,
      redirect: undefined,
      userList: [
        {
          userCode: '00001',
          password: 'YmdbOWylqUaDWyI9+7c8OA=='
        },
        {
          userCode: '00002',
          password: 'YmdbOWylqUaDWyI9+7c8OA=='
        }
      ]
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    removeToken()
    if (this.captchaOnOff) {
      this.getCode()
    }
    this.getCookie()
  },
  methods: {
    getCode() {
      getCodeImg().then((res) => {
        this.captchaOnOff =
          res.captchaOnOff === undefined ? true : res.captchaOnOff
        if (this.captchaOnOff) {
          this.codeUrl = 'data:image/gif;base64,' + res.img
          this.loginForm.uuid = res.uuid
        }
      })
    },
    getCookie() {
      const username = Cookies.get('username'),
        password = Cookies.get('password'),
        rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password:
          password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('username', this.loginForm.username, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), {
              expires: 30
            })
            Cookies.set('rememberMe', this.loginForm.rememberMe, {
              expires: 30
            })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          let loginStatus = false,
            token = 'Bearer eyJhbGciOiJIUzUxMiJ9.eyJsb2dpbl91c2VyX2tleSI6IjViMTRjNjgwLTdiNGUtNGVlZC05YmEwLTBjZDM4MzA4YTE3YSJ9.6blmyVLuSyMbyAcpDK3nXAexxbjSuNyEbIQhMkUokd12_qMbH43WEYKydd260-cm7UgYfBJytMqLh1zIiabLDw'
          localStorage.setItem('userName', this.loginForm.username)
          const password = aes.encrypt(this.loginForm.password)
          this.userList.forEach((item) => {
            if (item.userCode == this.loginForm.username && item.password == password) {
              loginStatus = true
              this.$message({
                message: this.$t('Login_succeeded'),
                type: 'success'
              })
              // 保存token
              setToken(token)

              this.loading = false
              // 跳转页面
              if (this.loginForm.username == '00001') {
                this.$router.push({ path: '/homeScreen' }).catch(() => { })
              } else {
                if (this.loginForm.username == '00002') {
                  this.$router.push({ path: '/secondaryScreen1' }).catch(() => { })
                }
              }
            }
          })
          if (!loginStatus) {
            this.loading = false
            this.$message({
              message: this.$t('Incorrect_username_or_password'),
              type: 'error'
            })
          }
          // login(this.loginForm).then((res) => {
          //   const { code, token } = res
          //   if (code == 200) {
          //     this.$message({
          //       message: '登录成功',
          //       type: 'success'
          //     })
          //     // 保存token
          //     setToken(token)

          //     this.loading = false
          //     // 跳转页面
          //     this.$router.push({ path: this.redirect || '/home' }).catch(() => {})
          //   } else {
          //     if (this.captchaOnOff) {
          //       this.getCode()
          //     }
          //     this.loginForm.password = ''
          //     this.loginForm.code = ''
          //     this.loading = false
          //   }
          // })
          // .catch(() => {
          //   this.loading = false
          //   if (this.captchaOnOff) {
          //     this.getCode()
          //   }
          // })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-image: url('../../../assets/imgs/login-background.jpg');
  background-size: cover;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
